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Probability of meteorite immpact in Sweden since year 2000

This Thesis investigates the number of possible meteorite impacts in Sweden since the year 2000. Sweden did not until recently have any photographic monitoring of incoming meteorites, thus a search through media reporting observations from the public has been performed. A theoretical approximation, based on an established extra-terrestrial mass ux, gives the number of 210 possible meteorite impacts for this time period. All of these could have been reballs, but by subtracting the daylight hours and bad weather conditions, only 47 reballs could have been seen during the 15 years. All of the 210 events could also have dropped meteorites on the ground, but when subtracting areas where it is very unlikely to recover a meteorite, like large forest areas and lakes, the number of possible meteorites is 73. The newspaper articles published since 2000 regarding reball observations gives 37 plausible meteorites. The theoretical value and the number of observations are similar enough that the theoretical approximation is probable to be correct.
Date January 2015
CreatorsWrige, Cecilia
PublisherUmeå universitet, Institutionen för fysik
Source SetsDiVA Archive at Upsalla University
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text

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